- Accident Fund Insurance Company
- Acuity Insurance
- Auto-Owners
- Berkshire Hathaway
- Chubb
- Cincinnati Insurance Companies
- CNA
- EMC Ins.
- Farmers Alliance Mutual Insurance
- Foremost
- Great American
- Hartford
- Liberty Mutual
- MedPro
- MFM
- MMIC
- Openly
- Philadelphia
- Progressive
- PURE
- Selective
- State Auto
- Travelers
- United Healthcare
- United Heartland
- USLI
- West Bend